HWAir flows through a C-d notcle havinga throat of 0.05m². The Pressure and temperatureat the threat section are MokPa and 333 K, respectivelyAt Section 2, the pressure is to kla.2Find Az and inm1Airthroat1270 * PaPt=140kPaT=333K

Step 1: Apply the isentropic relations for a C-D nozzleWe are dealing with choked flow at the…

Answered: HW Air flows through a C-d notcle…

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter46: Room Air Conditioners

Section: Chapter Questions

Problem 15RQ

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HW Air flows through a C-d nozzle having a throat of 0.05m². The Pressure and temperature at the threat section are 140kPa and 333 K, respectively At Section 2, the pressure is to kla. Find Az and m throat 270 Pa Air Pt=140kPa 7=333K
35 + 9.81 (0.3824 - 7-2) = - 49.54 kPa. S. Chand e oladall i.e.Pg =- 49.54 kPa. This shows that the given pressure at A, 35 kPa is gauge pressure and hence there is vacuum at point B. (Ans.) Example 6.5. An open circuit wind tunnel draws in air from the atmosphere through a well contoured nozzle. In the test section, where the flow is straight and nearly uniform, a static pressure tap is drilled into the tunnel wall. A manometer connected to the tap shows that the static pressure within the tunnel is 45 mm of water below atmosphere. Assume that air is incompressible and at pressure is 100 kPa (absolute). Calculate the velocity in the wind tunnel section (Refer to Fig. 6.6). Density of P.= 100 kPa water is 999 kg/m' and characteristic gas constant for V =0 air is 287 J/kg K. ساP حقوق النشر 25°C, Test section = 25°C (GATE)
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At the inlet to a certain nozzle the enthalpy of fluid passing is 2800 KJKG. In addition, the velocity is 50 ms. At the discharge end, the enthalpy is 2600 kJAg. The nozzle is horizontal and there is negligible heat loss from it. a. Find the velocity at the exit of the nozzle? b. If the inlet area is 900 cm² and specific vohme at the inlet is 0.187 m'kg, find the mass flowrate? c. If the specific volume at the exit of the nozzle is 0.498 m'/kg, find the exit area of nozzle? Fhuid in Fhaid out V2= ? A2= ? V- 50 m/s A- 900 cm? hi- 2800 kJkg h2= 2600 kJ/kg
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